The Parasaurolophus seemed a beside to Saurolophus and in the Cretaceous period. The size amounted to approx. 10m. The

The Parasaurolophus seemed a beside to Saurolophus and in the Cretaceous period. The size amounted to approx. 10m. The Parasaurolophus has a comb up to 1, 8 m length and the mass of the animal amounted to approx. 4.5 tons